16171995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 15346725

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 47, 87, 105, 113, 141, 145, 203, 235, 329, 339, 435, 565, 609, 705, 791, 987, 1015, 1363, 1645, 1695, 2373, 3045, 3277, 3955, 4089, 4935, 5311, 6815, 9541, 9831, 11865, 15933, 16385, 20445, 22939, 26555, 28623, 37177, 47705, 49155, 68817, 79665, 111531, 114695, 143115, 154019, 185885, 344085, 462057, 557655, 770095, 1078133, 2310285, 3234399, 5390665, 16171995]

約数ペア:

[(1, 16171995), (3, 5390665), (5, 3234399), (7, 2310285), (15, 1078133), (21, 770095), (29, 557655), (35, 462057), (47, 344085), (87, 185885), (105, 154019), (113, 143115), (141, 114695), (145, 111531), (203, 79665), (235, 68817), (329, 49155), (339, 47705), (435, 37177), (565, 28623), (609, 26555), (705, 22939), (791, 20445), (987, 16385), (1015, 15933), (1363, 11865), (1645, 9831), (1695, 9541), (2373, 6815), (3045, 5311), (3277, 4935), (3955, 4089)]